#include <stdio.h>

int eat(int peach, int day);

int main(void)
{
    int day = 1;
    int a = 1;
    eat(a, day);
    return 0;
}

int eat(int peach, int day)
{
    printf("%d,%d\n", 11 - day, peach);
    if (day < 10)
    {
        day++;
        return eat((peach + 1) * 2, day);
    }
    else
        return;
}